89 lines
6.4 KiB
HTML
89 lines
6.4 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Graph history concepts" />
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<meta name="abstract" content="Contains a description of the available options for managing and displaying records of performance data." />
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<meta name="description" content="Contains a description of the available options for managing and displaying records of performance data." />
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<meta name="DC.Relation" scheme="URI" content="rzahxgrphparent.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzahxcollectdatacs.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Graph history concepts</title>
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</head>
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<body id="rzahxgrphcon"><a name="rzahxgrphcon"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Graph history concepts</h1>
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<div><p>Contains a description of the available options for managing
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and displaying records of performance data.</p>
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<p>Graph history displays data contained in the collection objects created
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by Collection Services. Therefore, the type and amount of data available is
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dependent on your Collection Services configuration.</p>
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<p>The amount of data that is available to be graphed is determined by the
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settings that you selected from the Collection Services properties, specifically
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the collection retention period. Use <span class="keyword">iSeries™ Navigator</span> to
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activate PM <span class="keyword">iSeries</span> over multiple
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systems. When you activate PM <span class="keyword">iSeries</span>,
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you can use the graph history function to see data that was collected days
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ago, weeks ago, or months ago. You go beyond the realtime monitor capabilities,
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and have access to summary or detailed data. Without PM <span class="keyword">iSeries</span> enabled,
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the graph data field supports 1 to 7 days. With PM <span class="keyword">iSeries</span> enabled,
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you define how long your management collection objects remain on the system:</p>
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<ul><li><span><img src="./delta.gif" alt="Start of change" /><span class="uicontrol">Detailed data</span> (attribute type *PFR
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in QMPGDATA.LIB or QPFRDATA.LIB)<img src="./deltaend.gif" alt="End of change" /></span><p>The length of time that management
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collection objects remain in the file system before they are deleted. You
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can select a specific time period in hours or days, or you can select <span class="uicontrol">Permanent</span>.
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If you select <span class="uicontrol">Permanent</span>, the management collection
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objects will not be automatically deleted.</p>
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</li>
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<li><span><img src="./delta.gif" alt="Start of change" /><span class="uicontrol">Graph data</span> (attribute type *PFRDTL
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in QMGTC2.LIB)<img src="./deltaend.gif" alt="End of change" /></span> <p>The length of time that the details and properties
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data that is shown in the Graph History window remains in the system before
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it is deleted. If you do not start PM <span class="keyword">iSeries</span>,
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you can specify one to seven days. If you do start PM <span class="keyword">iSeries</span>,
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you can specify 1 to 30 days. The default is one hour.</p>
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</li>
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<li><span><img src="./delta.gif" alt="Start of change" /><span class="uicontrol">Summary data</span> (attribute type *PFRHST
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in QMGTC2.LIB)<img src="./deltaend.gif" alt="End of change" /></span> <p>The length of time that the data collection points
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of a graph can be displayed in the Graph History window or remain in the system
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before they are deleted. No details or properties data is available. You must
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start PM <span class="keyword">iSeries</span> to enable
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the summary data fields. The default is one month. <span><img src="./delta.gif" alt="Start of change" />The summary
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data is summarized in one-hour intervals and does not support second- and
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third-level details.<img src="./deltaend.gif" alt="End of change" /></span></p>
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</li>
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<li><img src="./delta.gif" alt="Start of change" /><span class="uicontrol">Graph history status</span><p>The Graph History
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window now displays the graph history status. You also can re-create the graph
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history data if it is missing.</p>
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<img src="./deltaend.gif" alt="End of change" /></li>
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</ul>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzahxgrphparent.htm" title="Graph history provides a graphical display of performance data collected by Collection Services over a specified period of time.">Graph history</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzahxcollectdatacs.htm" title="Use Collection Services to collect performance data for later analysis by the Performance Tools for iSeries licensed program or other performance report applications, iSeries Navigator monitors, and the graph history function. (If you prefer viewing real-time performance data, system monitors provide an easy-to-use graphical interface for monitoring system performance.)">Collection Services</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzahxplangrow1pmsetup1a.htm" title="PM iSeries ships with i5/OS, but you must activate it to use its collecting capabilities.">Activate PM iSeries</a></div>
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</div>
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</div>
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</body>
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</html>
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